Main Features: - Suitable for xiaomi Automatic Sonic Toothbrush - Adopt for DuPont Tynex Brilliance bristle to produce larger brushing day trip - W-shaped design, clear to wash the hard-to-reach interdental field - Rounding bristle won't scratch your gums or damage the skin - Rust-free, environmentally pleasant and wholesome - Food-grade PP material with FDA certification for oral fitness care - Food-grade pacifier TPE material, glad sufficient to clean the coated tongue - Recommended to modify a brush head for 2 - 3 months through the dentists, 8pcs in a unmarried kit is handy for changing Packages include: 6 x Toothbrush Heads